uriparser is a strictly RFC 3986 compliant URI parsing and handling library written in C89 ("ANSI C"). uriparser is fast and supports Unicode.

WebSocket++ is a C++ library that can be used to implement WebSocket functionality. The goals of the project are to provide a WebSocket implementation that is simple, portable, flexible, lightweight, low level, and high performance.

This module implements HTML::TreeBuilder::XPath for HTML::TreeBuilder, making it easy to parse documents using XPath.

HTML::Element::Extended is a Perl extension for manipulating a table composed of HTML::Element style components.

Libnspsl is a library to generate a static code representation of the Public Suffix List. It is developed as part of the NetSurf project.

HTTP::Parser::XS is a fast, primitive HTTP request/response parser.

CivetWeb is a web server with optional CGI and SSL support. It can be embedded into C/C++ applications or used as a standalone web server.

YAJL is a small event-driven (SAX-style) JSON parser and validating generator written in ANSI C.

Uhttpmock is a project for mocking web service APIs which use HTTP or HTTPS. It provides a library, libuhttpmock, which implements recording and playback of HTTP request/response traces.

Jsoup is a Java library for working with real-world HTML. It provides a very convenient API for extracting and manipulating data, using the best of DOM, CSS, and jQuery-like methods.

The Jetty Web Server provides an HTTP server and Servlet container capable of serving static and dynamic content either from a standalone or embedded instantiation. This package provides utility classes.

Kiwix Desktop allows you to enjoy a lot of different content offline (such as Wikipedia), without any access to Internet.

Kiln takes a different approach to building static sites. Instead of packing all functionality into kiln itself, the core is lightweight and can be extended with the use of external commands.

Plack is a set of tools for using the PSGI stack. It contains middleware components, a reference server, and utilities for Web application frameworks. Plack is like Ruby's Rack or Python's Paste for WSGI.

Polipo is a small caching web proxy (web cache, HTTP proxy, and proxy server). It was primarily designed to be used by one person or a small group of people.

gmnisrv is a simple Gemini protocol server written in C.

copyparty is a file server featuring fast, resumable uploads, deduplication, WebDAV, FTP/TFTP, SMP/CIFS, upnp/zeroconf/mdns, video thumbnails, audio streaming with transcoding, search, and account-based access control.

Anonip masks the last bits of IPv4 and IPv6 addresses in log files. That way most of the relevant information is preserved, while the IP address does not match a particular individuum anymore.

Depending on your Web server, the log entries may be piped to Anonip directly or via a FIFO (named pipe). Thus the unmasked IP addresses will never be written to any file.

It's also possible to rewrite existing log files.

Anonip can also be uses as a Python module in your own Python application.

Microsocks is a small, efficient SOCKS5 server.

SuperHTML is an HTML validator, formatter, LSP, and templating language library. It provides the superhtml command that can validate and autoformat HTML files. The tool can be used either directly (for example by running it on save), or through a LSP client implementation.

Feed::Find implements feed auto-discovery for finding syndication feeds, given a URI. It will discover the following feed formats: RSS 0.91, RSS 1.0, RSS 2.0, Atom.

LWPx::ParanoidAgent is a class subclassing LWP::UserAgent but paranoid against attackers. Its purpose is to vet requests for a remote resource on behalf of a possibly malicious user. The class can do the same as LWP::UserAgent, except that proxy support has been removed. Support for URI schemes is limited to http and https.

Iter Vitae is a command-line utility that allows you to generate a Resume / CV, by reading a S-expression version of your CV details (in Scheme code).

With a MVC approach, it lets you separate the data from the presentation (how the document looks).

This tool creates a web-site version of your CV (using SXML and Olive CSS), and is designed for long-term use, so you can update and evolve your CV over the years. The program supports multilingual content and is fully extensible.

Hiawatha has been written with security in mind. Features include the ability to stop SQL injections, XSS and CSRF attacks and exploit attempts.